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Metropolitan Baltimore
Reply to "Key bridge in Baltimore collapses after cargo ship crashes into it"
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[quote=Anonymous][quote=Anonymous][quote]The ship weighed ~100,000 tons. It was moving at 9 knots so about 4.5 meters/sec. That gives it a momentum of 450,000,000 newton/sec. [/quote] You either misspelled "kilograms" or didn't do the metric conversion. In the latter case, it would be 405,000,000 newtons/sec.[/quote] Momentum is newton * sec. A newton is kg m/s^2. [/quote]
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